package com.gj.common.xss;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletResponse;

@WebFilter(urlPatterns = "/*", filterName = "crossFilter")
public class CrossFilter implements Filter {
	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
	}

	@Override
	public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
			throws IOException, ServletException {
		HttpServletResponse response = (HttpServletResponse) servletResponse;
		response.setContentType("text/html;charset=UTF-8");
		String origin = (String) servletRequest.getRemoteHost() + ":" + servletRequest.getRemotePort();
		response.setHeader("Access-Control-Allow-Origin", "*");
		response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
		response.setHeader("Access-Control-Max-Age", "3600");
		response.setHeader("Access-Control-Allow-Headers", "Origin, No-Cache, X-Requested-With, If-Modified-Since, Pragma, Last-Modified, Cache-Control, Expires, Content-Type, X-E4M-With,Authorization,Accept");
		response.setHeader("Access-Control-Allow-Credentials", "true");
		filterChain.doFilter(servletRequest, servletResponse);
	}
	@Override
	public void destroy() {
	}
}